rsync with overlay tree

[Perry Hutchison]

tomr <tom at equalit.ie> wrote:
> Almost all of the config of someapp has remained unchanged
> in the latest major release.

Distributing config files really sounds more like a job for
sysutils/puppet than for rsync :)  Teach facter to return the
version of someapp that's installed and you don't even have
to keep track of which machines need to have the overlay tree
included in their rsync invocations.